const wx = my;
function countdown(seconds){ 
 var hour = parseInt(seconds/60/60);
 var minute = parseInt((seconds - hour*60*60)/60);
 var second = seconds - hour*60*60 - minute*60;
 hour = checkTime(hour);
 minute = checkTime(minute); 
 second = checkTime(second);
 return hour+':'+minute+":"+second 
}
function checkTime(i){
 if(i<10) 
 { 
  i = "0" + i; 
 } 
 return i; 
} 

module.exports.countdown = countdown
